Obara Taichi
Oh Un-Chol
Ohshima Takeshi
Ohsima Kosuke
Ohtsubo Yoshinobu
Oka Ritsuo
Okada Kyoko
Okada Seigo
Ome Cosmos Electric Co., Ltd.
Onose Hidekatsu
Oohata Tosifumi
Oota Kenji
Optiswitch Technology Corporation
OptiSwitch Technology Corporation
Optotechno Co., Ltd.
Oshino Yuichi
Otaki Tetsushi
Otsuki Masahito
Ou Ken